YASKAWA MOTOMAN-MPL80 II Instructions Manual

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YASKAWA MOTOMAN-MPL80 II Instructions Manual Manual pdf 65 page image

9-17170904-1CDHW14828709 Maintenance and Inspection9.3 Grease Replenishment/ExchangeMPL80 II9.3.6.2 Grease Exchange(Refer to Fig. 9-9 “B- and T-Axis Speed Reducers and Gears Diagram”.)1. Remove the hexagon socket head plug PT1/8 from the greaseexhaust port.2. Remove the hexagon socket head plug PT1/8 from the grease inlet.3. Install the grease zerk PT1/8 to the grease inlet. (The grease zerk isdelivered with the manipulator.)4. Inject grease through the grease inlet using a grease gun.– Grease type: Molywhite RE No. 00– Amount of grease: approx.1500 cc– Air supply pressure of grease pump: 0.3 MPa or less– Grease injection rate: 8 g/s or less5. The grease discharge is complete when new grease appears from theexhaust port. The new grease can be distinguished from the oldgrease by color.6. Move the B-axes for a few minutes to discharge the excess grease.7. Wipe the discharged grease with a cloth and reinstall the hexagonsocket head plug PT1/8 to the exhaust port.Before installing the plug, apply Three Bond 1206C on the thread partof each plug, then tighten the plug with a tightening torque of 4.9 N•m(0.5 kgf•m).8. Remove the grease zerk from the grease inlet and reinstall thehexagon socket head plug PT1/8.Before installing the plug, apply Three Bond 1206C on the thread partof each plug, then tighten the plug with a tightening torque of 4.9 N•m(0.5 kgf•m).NOTE• If grease is injected with the bolt on, grease will leak insidethe motor and may cause a damage. Make sure toremove the bolt before the grease injection.• Do not install a joint, a hose, etc. to the grease exhaustport. Failure to observe this instruction may result indamage to the motor due to coming off of an oil seal.NOTE If grease is injected with the plug on, grease will leak insidethe motor and may cause a damage. Make sure to removethe plug before the grease injection.65 of 81